209717375

素因数分解:

$5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1$

素因数の和:2804

約数の個数: 32

約数和(自身を含む): 302590080

約数和(自身を除く): 92872705

約数列:

[1, 5, 7, 25, 35, 89, 125, 175, 445, 623, 875, 2225, 2693, 3115, 11125, 13465, 15575, 18851, 67325, 77875, 94255, 239677, 336625, 471275, 1198385, 1677739, 2356375, 5991925, 8388695, 29959625, 41943475, 209717375]

約数ペア:

[(1, 209717375), (5, 41943475), (7, 29959625), (25, 8388695), (35, 5991925), (89, 2356375), (125, 1677739), (175, 1198385), (445, 471275), (623, 336625), (875, 239677), (2225, 94255), (2693, 77875), (3115, 67325), (11125, 18851), (13465, 15575)]